Exterior deadbolt



FIG. 1 is a perspective view of an exterior deadbolt showing a new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view thereof; the left side view being a mirror image.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an exterior deadbolt, as shown and described. 